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Sierra 25W-40 Oil For Mercury Marine Engine, Sierra Part #18-9400-7

Item # 751347
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Ships within 5 - 6 business days

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  • This item must ship ground only.
  • This is an oversized item. Additional freight will be calculated during checkout.
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  • Sierra Part #18-9400-7

  • 25W-40 oil

  • For Mercury Marine engine

Product Summary 

Sierra 25W-40 oil for Mercruiser engine. This 4-cycle oil is blended with premium-grade synthetic and mineral-based stock, plus superior designed additives formulated for the stress endured by sterndrive and inboard engines. Superior corrosion protection. Advanced lubrication reduces wear. Removes thermal breakdown under high RPMs and extreme temperatures and loads. 55 gallons. Sierra Part #18-9400-7.

OEM Part Number: